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                ``` .flex { display: flex; display: -webkit-flex; /*webkit內核的瀏覽器,必需加上-webkit前綴*/ flex-wrap: wrap; /* justify-content: space-between; */ /*兩端對齊(元素之間距離相等)*/ width: 1200px; /* border: 1px solid #999; */ margin: 0 auto; } .flex-item { width: 290px; /* height: 300px; */ border: 1px solid #e6e4e4; margin: 0px 0px 10px 0px; background: #fff; margin-right:13px; } /*這里是選第4個和第8個*/ .flex-item:nth-child(4),.flex-item:nth-child(8){ margin-right: 0; } ``` ``` <div class="flex"> <div class="flex-item">1</div> <div class="flex-item">2</div> <div class="flex-item">3</div> <div class="flex-item">4</div> </div> ```
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